root/pypi: links for callisto

root/pypi callisto-0.7-py2.py3-none-any.whl
root/pypi callisto-0.6-py2.py3-none-any.whl
root/pypi callisto-0.5.tar.gz
root/pypi callisto-0.5-py2.py3-none-any.whl
root/pypi callisto-0.4-py2.py3-none-any.whl